It's been over a decade since David and Tom Gardner published Rule Breakers, Rule Makers: The Foolish Guide to Picking Stocks, and as a testament to their long-term approach, the book remains as relevant as ever. So how did these two brothers turn their own sibling rivalry into a market-beating investment philosophy? And how is it holding up in today's market?

Click the video below to find out...

Jason Moser owns shares of Nike. The Motley Fool recommends 3D Systems and Nike. The Motley Fool owns shares of 3D Systems and Nike and has the following options: Short Jan 2014 $36 Calls on 3D Systems and Short Jan 2014 $20 Puts on 3D Systems. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.